Exactly solvable models of nonstationary turbulence in Bose condensate

Details Exactly solvable models of nonstationary turbulence in Bose condensate Exactly solvable models of nonstationary turbulence in Bose condensate

Mar 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008phla..372.2123k&link_type=abstract

Physics Letters A, Volume 372, Issue 12, p. 2123-2126.

Physics

Hydrodynamic Aspects Of Superfluidity, Quantum Fluids, Vortices And Turbulence, Particle-Theory And Field-Theory Models Of The Early Universe

Scientific paper

In this Letter we study a turbulence decay mechanism in the superfluid liquid. We proceed with developement of master equation approach introduced Copeland, Kibble, Steer and Nemirovskii. We obtain the full rate of reconnection in presence of normal component. We also discuss different random-walk models of vortex filaments. We obtain the expression for the reconnection rate in the nonstationary vortex tangle for these models. The equation for the full number of vortex loops is derived. We also obtain the expression for the relaxation time.

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